93 lines
2.2 KiB
Bash
Executable File
93 lines
2.2 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -euxo pipefail
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IMAGE_TYPE="${1:-ubuntu}"
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PACKER_BUILD_FILE="${2:-}"
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SKIP_LOCAL_CACHE="${SKIP_LOCAL_CACHE:-no}"
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errmsg () {
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echo "$@" > /dev/stderr
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}
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IMAGE_TYPE="${1:-ubuntu}"
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preflight () {
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case "${IMAGE_TYPE}" in
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ubuntu)
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PACKER_BUILD_FILE="boards/cm4-cluster-ubuntu-22.04.2.json"
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if [ "${SKIP_LOCAL_CACHE}" != "yes" ]
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then
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REMOTE_IMAGE_URL="$(jq '.builders[0].file_urls' ${PACKER_BUILD_FILE} | grep https | tr -d ' \",')"
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fi
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;;
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custom)
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PACKER_BUILD_FILE="${2:-}"
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if [ "${SKIP_LOCAL_CACHE}" != "yes" ]
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then
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REMOTE_IMAGE_URL="$(jq '.builders[0].file_urls' ${PACKER_BUILD_FILE} | grep https | tr -d ' \",')"
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fi
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if [ -z "${PACKER_BUILD_FILE}" ]
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then
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errmsg "[!] custom board requires a board file path"
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exit 1
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fi
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;;
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*)
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errmsg "[!] invalid image type ${IMAGE_TYPE}."
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errmsg "[!] valid image types are"
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errmsg " - ubuntu"
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errmsg " - custom path/to/board/file"
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exit 1
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;;
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esac
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}
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cache_remote_url () {
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if [ "${SKIP_LOCAL_CACHE}" = "yes" ]
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then
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echo "[+] skipping fetch of remote file: SKIP_LOCAL_CACHE=yes"
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return 0
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fi
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local CACHED_FILE="$(jq '.builders[0].file_urls' ${PACKER_BUILD_FILE} | grep -v https | grep \" | tr -d ' \",')"
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if [ -z "${CACHED_FILE}" ]
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then
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echo "[+] skipping fetch of remote file: no local file provided"
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return 0
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fi
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if [ -z "${REMOTE_IMAGE_URL}" ]
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then
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echo "[+] skipping fetch of remote file: no remote file provided"
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return 0
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fi
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if [ -s "${CACHED_FILE}" ]
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then
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echo "[+] skipping fetch of remote file: file already exists. To force redownloading,"
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echo " run the following:"
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echo ""
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echo " rm ${CACHED_FILE}"
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return 0
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fi
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curl -fsSL -o "${CACHED_FILE}" "${REMOTE_IMAGE_URL}"
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}
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build_image () {
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sudo packer build ${PACKER_BUILD_FILE}
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}
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main () {
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preflight
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cache_remote_url
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build_image
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}
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if [ "$0" = "-bash" ]
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then
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main
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fi
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